BDL Competitor Clutch For Harley Big Twin Features: Kevlar clutch pack plates have 60 more surface area than stock plates for strong, positive clutch engagement Ball-bearing lockup pressure plate will handle any application including big-inch motors Kit also includes inner clutch hub and diaphragm spring Replacement plates available: Kevlar Competitor Clutch Plates 630-0093 or Steel Plate Kit 630-0094 6-bolt design